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46 lines
2.0 KiB
C#
46 lines
2.0 KiB
C#
// /***************************************************************************
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// Aaru Data Preservation Suite
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// ----------------------------------------------------------------------------
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//
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// Filename : Helpers.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : Disk image plugins.
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Contains helpers for CloneCD disc images.
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//
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// --[ License ] --------------------------------------------------------------
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//
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// This library is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; either version 2.1 of the
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// License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, see <http://www.gnu.org/licenses/>.
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//
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// ----------------------------------------------------------------------------
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// Copyright © 2011-2021 Natalia Portillo
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// ****************************************************************************/
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namespace Aaru.DiscImages
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{
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public sealed partial class CloneCd
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{
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static ulong GetLba(int minute, int second, int frame) =>
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(ulong)(((minute * 60 * 75) + (second * 75) + frame) - 150);
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static long MsfToLba((byte minute, byte second, byte frame) msf) =>
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((msf.minute * 60 * 75) + (msf.second * 75) + msf.frame) - 150;
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static (byte minute, byte second, byte frame) LbaToMsf(ulong sector) =>
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((byte)((sector + 150) / 75 / 60), (byte)(((sector + 150) / 75) % 60), (byte)((sector + 150) % 75));
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}
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} |